Tire tread



FIG. 1 is a front elevational view of a tire tread showing our new design, it being understood that the pattern is repeated throughout the circumference thereof;

FIG. 2 is right perspective view thereof;

FIG. 3 is a left perspective view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a left side elevational view thereof; and,

FIG. 6 is an enlarged fragmentary front view thereof.

The broken line showing of the tire sidewall in FIGS. 1, 2, 3, 4 and 5 of the drawing is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a tire tread, as shown and described. 